software

hello sir
sir i have learned this language, c and c++. when we doing coding in c and c++. that time we run those program via compilar.
sir i want to know about . how we convert those program into software. and how we give the graphical structure.suppos i want to make accounting software.how i will do coding .
sir i have not difficulty about c and c++. please you give me guidness
about making software.
sir you tell me its difficult. but sir i want to do difficult work.
i can say that its my hobby and interest.sir want to become software maker.
sir i wish you understand my thinking.and you will help me .

regards:-
baljit singh